Cyclone sand removing and sucking device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a rotational flow sand removing and sucking device which comprises a rotational flow grit chamber, a support is fixedly installed in the middle of the top end of the rotational flow grit chamber, a stirring shaft is movably installed in the middle of the top end of the support through a bearing, and a fixing sleeve is movably connected to the middle of the stirring shaft in a sleeved mode. And a telescopic tube. The stirring shaft, the fixing sleeve, the telescopic pipe, the communicating pipe and the pump suction head are matched for use, a second motor is started during adjustment, the second motor controls a third gear to rotate, the third gear drives a rack on one side to ascend or descend, and when the rack ascends or descends, a movable disc is synchronously driven to ascend or descend through a hanging rod; when the movable disc ascends and descends, the pump suction head is lifted through the communicating pipe, so that the height of the pump suction head is adjusted, the height of the pump suction head is adjusted according to the sand content of inlet water, blockage caused by the fact that a large amount of sand enters the pump suction head in a short time can be prevented, and meanwhile the safety problem and the environmental protection risk problem caused by water cut-off operation and blockage cleaning are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a device for swirl sand removal and sand suction. Background Technique

[0002] In the pretreatment swirl sand removal device, the sand suction pipeline is horizontally arranged at the bottom and is easily blocked by sand, resulting in the inability to discharge sand in time, and it is easy to cause equipment failures of the sand suction pump. The sand carried by the sewage enters the subsequent treatment process unit, causing problems such as a smaller volume of the structure pool, a shorter residence time, and greater wear of mechanical equipment.

[0003] Relying on external or water cut-off construction to clean and dredge is difficult to completely solve the problems of pipeline and sand suction pump blockage. The compactness of the sand blocking the pipeline is high, and the effect of backwashing on sand blockage is small. Moreover, the probability of subsequent blockage after dredging is high, and water cut-off construction has a great impact on the process operation. The sewage treatment plant needs to ensure that the sewage treatment reaches the discharge standard and cannot carry out water cut-off construction for a long time. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for swirl sand removal and sand suction to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for swirl sand removal and sand suction, comprising:

[0007] A swirl grit chamber, in the middle of the top of the swirl grit chamber, a bracket is fixedly installed, in the middle of the top of the bracket, a stirring shaft is movably installed through a bearing, and a fixed sleeve is movably sleeved in the middle of the stirring shaft;

[0008] A telescopic pipe, the telescopic pipe is communicated with the upper end inside the fixed sleeve, the bottom end of the telescopic pipe is fixedly connected with a communicating pipe, and the bottom end of the communicating pipe is fixedly installed with a pump suction head;

[0009] A rack, the rack is movably installed at the upper right end inside the fixed sleeve, a frame is arranged directly above the top of the bracket, the top end of the fixed sleeve penetrates through the frame and is fixedly connected with the frame, and a lifting mechanism is arranged at the upper right end of the frame.

[0010] Preferably, the lifting mechanism is composed of a mounting seat, a third gear and a second motor. The mounting seat is arranged at the upper right end of the frame, the second motor is fixedly installed outside one side of the mounting seat, the output shaft of the second motor is fixedly connected with the third gear, the third gear meshes with the rack, the bottom end of the rack is fixedly connected with a suspension rod, the bottom end of the suspension rod is fixedly connected with a movable disc, and the movable disc is fixedly connected to the outer side of the top end of the communicating pipe;

[0011] Preferably, a first motor is provided at the top left of the frame. The output shaft of the first motor is fixedly connected to a first gear. A second gear is fixedly installed on the outer side of the top end of the stirring shaft. The first gear meshes with the second gear;

[0012] Preferably, two swirl stirrers are symmetrically arranged on the outer side of the bottom end of the stirring shaft;

[0013] Preferably, sliders are provided on both sides of the movable disk, and sliding grooves matching the sliders are provided on the inner walls of both sides of the fixed sleeve;

[0014] Preferably, the telescopic tube is made of rubber material.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] For the swirl sand removal and suction device, through the coordinated use of the stirring shaft, fixed sleeve, telescopic tube, connecting pipe and pump suction head, when adjusting, start the second motor. The second motor controls the rotation of the third gear. The third gear drives the rack on one side to rise or fall. When the rack rises or falls, the movable disk is synchronously driven to rise and fall through the suspension rod. When the movable disk rises and falls, the pump suction head is lifted through the connecting pipe, so that the height of the pump suction head is adjusted. Adjust the height of the pump suction head according to the sand content in the incoming water, which can prevent a large amount of sand from entering the pump suction head in a short time and causing blockage. At the same time, it also solves the safety problems and environmental protection risk problems caused by water cut-off operation and cleaning blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall front view structural schematic diagram of the present utility model;

[0018] Figure 2 is the overall sectional view structural schematic diagram of the present utility model;

[0019] Figure 3 is the Figure 2 magnified schematic diagram at A in the present utility model;

[0020] Figure 4 is the Figure 2 magnified schematic diagram at B in the present utility model.

[0021] In the figure: 1, swirl grit chamber; 2, support; 3, stirring shaft; 4, fixed sleeve; 5, telescopic tube; 6, connecting pipe; 7, pump suction head; 8, rack; 9, frame; 10, mounting seat; 11, third gear; 12, slider; 13, second motor; 14, suspension rod; 15, movable disk; 16, first motor; 17, first gear; 18, second gear; 19, swirl stirrer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1-4 shown, a technical solution provided by the present invention:

[0024] A device for swirling sand removal and suction includes a swirling grit chamber 1. In the middle of the top end of the swirling grit chamber 1, a support 2 is fixedly installed. In the middle of the top end of the support 2, a stirring shaft 3 is movably installed through a bearing. A fixed sleeve 4 is movably sleeved in the middle of the stirring shaft 3; a telescopic pipe 5, the telescopic pipe 5 communicates with the upper end inside the fixed sleeve 4. The bottom end of the telescopic pipe 5 is fixedly connected to a connecting pipe 6. The bottom end of the connecting pipe 6 is fixedly installed with a pump suction head 7; a rack 8, the rack 8 is movably installed at the upper right side inside the fixed sleeve 4. Above the top end of the support 2, a machine frame 9 is provided. The top end of the fixed sleeve 4 penetrates through the machine frame 9 and is fixedly connected to the machine frame 9. A lifting mechanism is provided at the upper right side of the machine frame 9; the lifting mechanism consists of a mounting seat 10, a third gear 11 and a second motor 13. A mounting seat 10 is provided at the upper right side of the machine frame 9. A second motor 13 is fixedly installed outside one side of the mounting seat 10. The output shaft of the second motor 13 is fixedly connected to the third gear 11. The third gear 11 meshes with the rack 8. The bottom end of the rack 8 is fixedly connected to a suspension rod 14. The bottom end of the suspension rod 14 is fixedly connected to a movable disk 15. The movable disk 15 is fixedly connected to the outer side of the top end of the connecting pipe 6. The telescopic pipe 5 is made of rubber material;

[0025] In this embodiment, when adjusting, the second motor 13 is started. The second motor 13 controls the rotation of the third gear 11. The third gear 11 drives the rack 8 on one side to rise or fall. When the rack 8 rises or falls, the movable disk 15 is synchronously driven to rise and fall through the suspension rod 14. When the movable disk 15 rises and falls, the pump suction head 7 is lifted through the connecting pipe 6, so that the height of the pump suction head 7 is adjusted. According to the sand content in the incoming water, the height of the pump suction head 7 is adjusted, which can prevent a large amount of sand from entering the pump suction head 7 in a short time and causing blockage. At the same time, it also solves the safety problems and environmental protection risk problems caused by water cut operation and cleaning blockage.

[0026] As Figure 2As shown in the figure, a first motor 16 is provided at the left top end of the frame 9. The output shaft of the first motor 16 is fixedly connected with a first gear 17. A second gear 18 is fixedly installed on the outer side of the top end of the stirring shaft 3. The first gear 17 meshes with the second gear 18. Two swirl stirrers 19 are symmetrically arranged on the outer side of the bottom end of the stirring shaft 3. During operation, the first motor 16 is started. The first motor 16 controls the first gear 17 to rotate. When the first gear 17 rotates, it drives the second gear 18 on the outer side of the top end of the stirring shaft 3 to rotate in the reverse direction. When the second gear 18 rotates, it drives the stirring shaft 3 to rotate. When the stirring shaft 3 rotates, it controls the swirl stirrers 19 on both sides of the bottom end to stir, so that centrifugal force can be generated, and the rotation of the stirring shaft 3 will not interfere with the fixed sleeve 4.

[0027] As Figure 4 shown in the figure, sliders 12 are arranged on both sides of the movable disk 15. Sliding grooves matching the sliders 12 are provided on the inner walls of both sides of the fixed sleeve 4. When the movable disk 15 moves up and down, the sliders 12 at both ends of the movable disk 15 will slide and guide along the sliding grooves on both inner walls of the fixed sleeve 4, avoiding circumferential rotation when the movable disk 15 moves up and down.

[0028] Working principle: During operation, the sewage reaches the swirl grit chamber 1 after passing through the influent lift pump and the coarse and fine grids. Then, under the action of centrifugal force, the sand grains are deposited at the bottom of the swirl grit chamber 1. The pump suction head 7 sucks the sand grains at the bottom and transports them to the sand-water separator through the connecting pipe 6 and the telescopic pipe 5. After separation, the sand grains are transported out by the garbage transport vehicle, and the sewage flows back into the system for treatment. During operation, the height of the pump suction head 7 can be adjusted according to the sand volume and the influent flow rate. When adjusting, the second motor 13 is started. The second motor 13 controls the third gear 11 to rotate. The third gear 11 drives the rack 8 on one side to rise or fall. When the rack 8 rises or falls, it synchronously drives the movable disk 15 to rise and fall through the suspension rod 14. When the movable disk 15 rises and falls, it lifts the pump suction head 7 through the connecting pipe 6, so that the height of the pump suction head 7 can be adjusted.

[0029] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention, and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for removing and absorbing sand by cyclone flow, characterized in that: include: A cyclone grit chamber (1), wherein a bracket (2) is fixedly mounted at the middle of the top of the cyclone grit chamber (1), a stirring shaft (3) is movably mounted at the middle of the top of the bracket (2) via a bearing, and a fixed sleeve (4) is movably sleeved at the middle of the stirring shaft (3); A telescopic tube (5), the telescopic tube (5) being connected to the internal upper end of the fixed sleeve (4), the bottom end of the telescopic tube (5) being fixedly connected to a connecting tube (6), the bottom end of the connecting tube (6) being fixedly mounted with a pump suction head (7); A rack (8) is movably mounted on the upper right end of the interior of the fixed sleeve (4); a frame (9) is arranged just above the top end of the bracket (2); the top end of the fixed sleeve (4) passes through the frame (9) and is fixedly connected to the frame (9); and a lifting mechanism is arranged on the top right end of the frame (9).

2. The device for removing and absorbing sand by cyclone according to claim 1, characterized in that: The lifting mechanism is composed of a mounting seat (10), a third gear (11) and a second motor (13). The mounting seat (10) is arranged at the top right side of the frame (9). The second motor (13) is fixedly mounted on the outside of one side of the mounting seat (10). The output shaft of the second motor (13) is fixedly connected to the third gear (11). The third gear (11) is meshed with the rack (8). The bottom end of the rack (8) is fixedly connected to a suspension rod (14). The bottom end of the suspension rod (14) is fixedly connected to a movable disk (15). The movable disk (15) is fixedly connected to the outside of the top end of the connecting pipe (6).

3. The device for removing and absorbing sand by cyclone flow according to claim 1, characterized in that: A first motor (16) is disposed at the top left side of the frame (9); an output shaft of the first motor (16) is fixedly connected to a first gear (17); a second gear (18) is fixedly mounted on the outer side of the top end of the stirring shaft (3); the first gear (17) meshes with the second gear (18).

4. The device for removing and absorbing sand by cyclone flow according to claim 1, characterized in that: Two swirl stirrers (19) are symmetrically arranged on the outer side of the bottom end of the stirring shaft (3).

5. The device for removing and absorbing sand by cyclone flow according to claim 2, characterized in that: Slide blocks (12) are provided on both sides of the movable plate (15), and slide grooves matching the slide blocks (12) are provided on the inner walls on both sides of the fixed sleeve (4).

6. The device for removing and absorbing sand by cyclone flow according to claim 1, characterized in that: The telescopic tube (5) is made of rubber.

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